/* syntax error at line 2 because it should be color="blue" */
digraph conflict1edges {
 /* dot supports splitting numbers in strings as in Z=9.8 below */
 1 -> 2 [Z=0.9 Z="9.9" Z="9"+".8"];
 6 -> 5 [K=1.2];
 2 -> 20 [color=blue"]; // here should be a parse error
 0 -> 1 [color=green"];
}
/*
the parser sees this as:
 2 -> 20 [color=blue
"];
 0 -> 1 [color=green"
 ];

which is
 2 -> 20 [color=blue "..." ];

dot parser of version 7.2 did not find this syntax error
*/